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Add support for ESP32-C3s #99

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Add support for ESP32-C3s #99

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f53d2b4
ESP32-C3 support
yanxke May 26, 2024
58665d9
Enable BT in sdkconfig
yanxke May 26, 2024
5e3cfff
Add readme.
yanxke May 27, 2024
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9 changes: 8 additions & 1 deletion firmware/ESP32/README.md
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
## Macless Haystack Firmware for ESP32

This project contains a battery-optimzed PoC firmware for Espressif ESP32 chips (like ESP32-WROOM or ESP32-WROVER, but _not_ ESP32-S2).
This project contains a battery-optimzed PoC firmware for Espressif ESP32 chips (like ESP32-WROOM, ESP32-WROVER, ESP32-C3 but _not_ ESP32-S2).
After flashing our firmware, the device sends out Bluetooth Low Energy advertisements such that it can be found by [Apple's Find My network](https://developer.apple.com/find-my/).
This firmware consumes slightly more power when more than 1 key is used. The controller wakes up every 30 minutes and switches the key.

Expand All @@ -15,10 +15,17 @@ This firmware consumes slightly more power when more than 1 key is used. The con
- Copy your previously generated PREFIX_keyfile in the same folder

```bash
# ESP32-WROOM or similar
esptool.py write_flash 0x1000 bootloader.bin \
0x8000 partitions.bin \
0x10000 firmware.bin \
0x110000 PREFIX_keyfile

# ESP32-C3 - boatloader offset at 0x0
esptool.py write_flash 0x0 bootloader.bin \
0x8000 partitions.bin \
0x10000 firmware.bin \
0x110000 PREFIX_keyfile
```

If any problem occurs, erase flash manually before flashing:
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7 changes: 7 additions & 0 deletions firmware/ESP32/platformio.ini
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Expand Up @@ -16,3 +16,10 @@ monitor_speed = 115200
board_build.partitions = with_key.csv


[env:esp32c3]
platform = espressif32
board = esp32-c3-devkitm-1
framework = espidf
monitor_speed = 115200
board_build.partitions = with_key.csv

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